Biology A-Level
Phenotype
What Phenotype means in Biology A-Level, as defined for Pearson Edexcel.
Definitions of Phenotype
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
The observable characteristics of an organism, resulting from its genotype and interaction with the environment.
The observable, physical characteristics of an organism, determined by its genotype and the environment.
Topics that use Phenotype
- Topic 1: Lifestyle, Health and Risk (Pearson Edexcel A-Level)
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using Phenotype in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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